Single Needle Roller Cage Model KT405017C3, 40 mm ID x 50 mm OD x 17 mm Width, High Carbon Steel, C3 Roller Diameter Tolerance for Linear Slide Units and Rotary Applications

Single needle roller cage, 40 mm ID x 50 mm OD
✔️ Single unit, 17 mm width, high carbon steel, C3 tolerance

This single needle roller cage is made from high carbon steel to guide rollers in linear slide units, gearboxes and rotary shafts, delivering compact radial support and smooth motion at speeds up to 12,000 rpm.

✅ Model KT405017C3, KT Series, one-piece pack
✅ Inner diameter 40 mm, outer diameter 50 mm, width 17 mm
✅ Material high carbon steel, C3 roller diameter tolerance
✅ Dynamic load capacity 30,200 N; static load capacity 39,200 N
✅ Max speed 12,000 rpm; temperature range -20 to 120 °C
✅ Weight ≈ 54 g; ideal single-piece replacement for compact assemblies

💡 What is a needle roller cage used for in linear slide units and rotary shafts? It's a handy component that keeps rollers aligned and reduces friction in compact bearing setups. - Supports radial loads in tight spaces for linear slide units and compact gearboxes - Improves roller guidance compared to sealed ball bearing arrangements for compact assemblies - Works well with ceramic or steel rollers at moderate to high speeds - Speeds up maintenance by allowing quick swap of roller assemblies